343043343 has 28 divisors (see below), whose sum is σ = 516613008. Its totient is φ = 227681280.

The previous prime is 343043339. The next prime is 343043377. The reversal of 343043343 is 343340343.

It is not a de Polignac number, because 343043343 - 2² = 343043339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343043143) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 186438 + ... + 188268.

Almost surely, 2^343043343 is an apocalyptic number.

343043343 is a deficient number, since it is larger than the sum of its proper divisors (173569665).

343043343 is an equidigital number, since it uses as much as digits as its factorization.

343043343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

The square root of 343043343 is about 18521.4292914991. The cubic root of 343043343 is about 700.0294837921.

Adding to 343043343 its reverse (343340343), we get a palindrome (686383686).

The spelling of 343043343 in words is "three hundred forty-three million, forty-three thousand, three hundred forty-three".